Car-truck.



E. W. WEBB.

CAR TRUCK. I APPLICATION FILED FEB. 15, H5.

Patented Mar. 28, 1916.

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5) M6 AT ORNEYS E. W. WEBB.

CAR TRUCK. APPLICATION FILED FEB. 15. ISIS.

Patented Mar. 28,1916. 4

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40 Y tively, the top arch bar, the lower arch bar r TE s ATS EDWIN W. WEBB, OF CHICAGO, ILLINOIS, ASSIGNOR TO STANDARD CAR TRUCK COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF NEW JERSEY.

CAR-TRUCK.

Application filed February 15, 1-915.

To all whom it may concern:

citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Car-Trucks; and I do hereby declare the following to be a. full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same. i

This invention relates to lateral motion car trucks and has for its object to improve the same in the several particulars hereinafter noted.

Generally stated, the invention consists of the novel construction and arrangement of parts hereinafter described and defined in the claims.

More particularly, the invention is di-' 'rected to the improved relative arrangement the line 00 m on Fi 1. some arts bein H 5 broken away and some parts being shown in full; Fig. 3 shows the parts illustrated in Fig. 2, partly in plan and partly in horizontal section, some parts being broken away; and Fig. 4 is a plan view of the bolster columns and one end of the bolster with the top arch bar'of the truckside frame removed.

- The numerals 1. 2 and 3 indicate, respecandthe bottom bar of one of the truck side frames.- The ends of these bars will be connected to the journal box (not shown) in the customary or any suitable way. The truck wheels are diagrammatically indicated by the numeral 4. The bolster columns 5 are clamped between'the arch bars by the customary arch bar bolt 6. The lower end portionsof the bolster columns 5 are riveted Specification of Letters Patent.

Patented Mar. 28, 1916.

Serial No. 8,332.

spring bearings or saddles 8 are applied on the ends of the cross tie 7, immediately over the lower portion of the arch bar 2, and the lower bands of elliptical springs 9 are seated thereon. The springs 9 are extended transversely of the truck. or in other words, parallel to the cross tie 7. Mounted on the upper bands of the said springs 9 are combined spring caps and roller bases 10 that are formed with self-centering seats for lateral motion rollers 11. The said combined spring caps and roller bases 10 terminate quite a considerable distance from the opposing flatface ofthe bolster columns 5, as best shown in Fig. 3.

The truck bolster 12 may be either a cast or built-up structure,'but, as shown, may be assumed to be a hollow or flanged steel casting. The top plate or web of this bolster, at the ends thereof, extends between the opposing fiat faces of the bolster columns 5, and, as shown, has depressed end portions 13 against which upper roller caps or hearing plates 14 are seated. For engagement with the tops of the rollers 11, said caps 11 are formed with the customary or usual self-centering roller seats, and, preferably, said caps are detachably secured to the depressed portions 13 by dowel pins 15. At the sides of its ends, the bolster 12 is provided with depending flanges 16 that are projected between the adjacent ends of the combined spring cap and roller base 10 and the adjacent opposing faces of the bolster columns. The outer surface of the said flanges 16 are arranged to bear against the inner or wearing faces of the said columns, and they are provided with projecting stop lugs 17 properly located to permit the required endwise movements of the bolster transversely of the truck, but there engage with the inner edges of the bolster column to limit the endwise movements of the said bolster.

The bolster columns are formed with integral outwardly projected portions having vertical guide channels 18 that are open at their lower extremities; and the combined spring caps and roller bases 10 are provided with guide lugs 19 that are offset transversely of the truck to a point outward of the Wearing faces of the bolster columns,

and which project beyond the ends of the combined spring caps and roller bases 10. so that they engage and work vertically in the said guide channels 18.

The construction above described has advantages, certain of which may be briefly noted as follows: It brings the lateral motion roller bearing device up close to the top of the bolster and thus makes possible a normally low truck with high springs, either of elliptical or other form, such as desired in high capacity cars; it affords wide and extended wearing surfaces between the bolster and bolster columns; it atfords construction particularly well adapted for use in connection with elliptical springs; and it permits the parts to be easily assembled, by putting the springs and lateral motion roller bearing devices up inside of the bolster after the bolster has been positioned in respect to the truck side frames.

Preferably, the bolster columns'are cast steel structures and have, brake hanger brackets :20 vcast integral therewith and properly projected inward therefrom.

The rollers herein employed in the lateral motion device are preferably cylindrical, but so far as this invention is concerned, they might take other forms adapted to permit endwise movements of the bolster transversely of the truck.

What I claim is: i 1. In a car truck, the combination with bolster columns and a truck bolster working between said columns, of a lateral motion device comprising a plate having interlocking engagement with said columns at points outward of the adjacent end of the bolster, in a direction longitudinally of said bolster.

2. In a car truck, the combination with bolster columns and a truck bolster working between the same, of a spring-supported lateral motion device carrying said bolster from the truck frame and comprising a bearing plate provided with end projections located outward of the adjacent end of said bolster and working in vertical guides on the outer portions of said columns.

3. In a car truck, the combination with bolster columns and a truck bolster working between the same, said columns having vertical guide grooves located outward of the adjacent end of said bolster, of a springsupported lower roller bearing plate provided withprojecting guide lugs also located outward of the adjacent end of said bolster and working in the vertical guide channels ofsaid columns. and lateral motion rollers interposed between said bearing plate and bolster.

4. In a car truck, the combination with bolster columns and a truck bolster working between the same, said columns having vertical guidegrooves located outward of the adjacent end of said bolster, of a spring supported lower roller bearing plate provided with projecting guide lugs also located outward of the adjacent end of said bolster andworking in the vertical guide channels of said columns, the lower ends of the guide channels in said columns being open so that 'said bearing plate may be readily attached to and detached therefrom, and rollers interposed between said bearing plate and bolster. In a car truck, the combination with bolster columns, of a spring-supported roller bearing plate located between said columns, rollers seated on said bearing plate, and a truck bolster supported on said roller and having side flanges engageable with the wearing faces of said columns and extended between said columns and the adjacent ends of said bearing plate, the said bearing plate having engagement with said columns at points outward of the end of the bolster, in a direction longitudinally of said bolster and thereby held for vertical movements.

6. In a car truck, the combination with bolster columns and a truck bolster working between the same, of a spring-supported lateral motion device carrying said bolster from the truck frame and comprising a bear- I ing plate provided with end projections located outward of the adjacent end of said bolster and working in vertical guides on the outer portions of said columns, the said bolster having stops engageable with the inner edges of said columns to limit the endwise movements of said bolster.

7. In a car truck, the combination with bolster columns and a truck bolster working between the same, of a spring-supported lateral motion device carrying said bolster from the truck frame and comprising a bearing plate provided with end projections located outward of the adjacent end of said bolster and working in vertical guides on the outer portions of said columns, said bol'- stel' having sidefianges at its ends located between said columns and adjacent ends of said bearing plate.

8. In a car truck, the combination with bolster columns and a truck bolster, of a roller bearing device normally interlocked to said columns but arranged to be disconnected therefrom by direct downward movement.

9. In a car truck, the combination with bolster columns and a truck bolster working between the same, of a spring-supported bolster supporting plate, and guides on said columns for said bearing plate, arranged to permit said bearing plate to be detached from said columns by direct downward movement. I

10. In a car truck, the combination with bolster columns and a truck bolster, of a lateral motion bearing device supporting In testimony whereof I afiix my signature in presence of two witnesses.

EDWIN W. WEBB. Witnesses F. L. BARBER, CHAS. S. WALTON.

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